Answer
$4x-9y$
Work Step by Step
$(2\sqrt x-3\sqrt y)(2\sqrt x+3\sqrt y)$
=$(2\sqrt x)^{2}-(3\sqrt y)^{2}$
=$4(x)-9(y)$
=$4x-9y$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 10 - Review - Page 748: 98
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
